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词语胚珠拆分为汉字:
胚字的拼音、笔画、偏旁部首、笔顺、繁体字,胚字字源来历,胚字演变
初期发育的生物体:~芽。~囊。~胎。……
珠字的拼音、笔画、偏旁部首、笔顺、繁体字,珠字字源来历,珠字演变
蛤蚌因沙粒窜入壳内受到刺激而分泌的物质,逐层包起来形成圆粒,乳白色或略带黄色,有光泽,可做装饰品,亦可入药。称“珍珠”(亦作“真珠”,简称“珠”):~蚌。~宝。~花。夜明~。~玑(喻优美的词藻或诗文)。~联璧合(珍珠联成串,美玉放在一起,喻……
汉语拼音:pēi zhū
植物子房内的小球状物体。通常包在子房内,但也有露在子房外者。花受精后,渐次发育成种子。
郭沫若 《芍药与其他·银杏》:“你的花粉和胚珠具有动物般的生态,你是完全由人力保存下来的奇珍。”
Ovary protects and feeds the seed in a plant The ovule-bearing lower part of a pistil that ripens into a fruit.
雌蕊中含有胚珠的较底的部分,成熟为果实。Ovules attached to the central axis of an ovary with two or more locules.
胚珠着生在二室或多室子房的中轴上。However, our genetic analysis shows that MADS21 has no function in stamen, carpel, or ovule identity determination.
然而我们的遗传分析表明MADS21对雄蕊、心皮和胚珠的身份决定没有作用。Fruit The ripened OVARY of a flower that is usually formed following fertilization of the ovule.
显花植物的成熟子房,通常是胚珠受精后形成。what ' s more , the ovule abortive events of the two species is evident , which may be one of the threatening factors.
两物种胚珠败育现象明显,这也可能是致濒因素之一。The occupied area of cultured ovule and fibers affected by low temperature had similar trend to the length of the fiber.
低温处理对离体培养棉花胚珠轮廓面积的大小也有相似的影响。A female gametophyte of the female gametophyte in the sporangium ovule is the heart of the beads.
产生雌配子的雌配子体在大孢子囊即胚珠的珠心处发育。"Seed" : The dictionary definition refers to a mature ovary formed in a plant's pistil after fertilization of the ovules.
在字典里的解说是植物雌蕊受精后,子房内成熟的胚珠。One of them has started growing a tube that transfers the sperm to the ovule of a receptive ovary.
其中一株开始生长出管状器官,用来传送精粉到授粉端花房的胚珠。